#!/bin/sh # This is a shell archive (produced by GNU sharutils 4.2). # To extract the files from this archive, save it to some FILE, remove # everything before the `!/bin/sh' line above, then type `sh FILE'. # # Made on 1999-09-21 22:49 EDT by . # Source directory was `/home/jcej/projects/ACE_wrappers/docs/tutorials/007'. # # Existing files will *not* be overwritten unless `-c' is specified. # # This shar contains: # length mode name # ------ ---------- ------------------------------------------ # 576 -rw-rw-r-- hdr # 123 -rw-rw-r-- bodies # 3386 -rw-rw-r-- page01.pre # 87 -rw-rw-r-- page02.pre # 120 -rw-rw-r-- page03.pre # 171 -rw-rw-r-- page04.pre # 105 -rw-rw-r-- page05.pre # 160 -rw-rw-r-- page06.pre # 340 -rw-rw-r-- page07.pre # 378 -rw-rw-r-- page08.pre # 2071 -rw-rw-r-- page09.pre # 173 -rw-rw-r-- page02.pst # 116 -rw-rw-r-- page03.pst # 106 -rw-rw-r-- page04.pst # 234 -rw-rw-r-- page05.pst # 177 -rw-rw-r-- page06.pst # 97 -rw-rw-r-- page07.pst # save_IFS="${IFS}" IFS="${IFS}:" gettext_dir=FAILED locale_dir=FAILED first_param="$1" for dir in $PATH do if test "$gettext_dir" = FAILED && test -f $dir/gettext \ && ($dir/gettext --version >/dev/null 2>&1) then set `$dir/gettext --version 2>&1` if test "$3" = GNU then gettext_dir=$dir fi fi if test "$locale_dir" = FAILED && test -f $dir/shar \ && ($dir/shar --print-text-domain-dir >/dev/null 2>&1) then locale_dir=`$dir/shar --print-text-domain-dir` fi done IFS="$save_IFS" if test "$locale_dir" = FAILED || test "$gettext_dir" = FAILED then echo=echo else TEXTDOMAINDIR=$locale_dir export TEXTDOMAINDIR TEXTDOMAIN=sharutils export TEXTDOMAIN echo="$gettext_dir/gettext -s" fi touch -am 1231235999 $$.touch >/dev/null 2>&1 if test ! -f 1231235999 && test -f $$.touch; then shar_touch=touch else shar_touch=: echo $echo 'WARNING: not restoring timestamps. Consider getting and' $echo "installing GNU \`touch', distributed in GNU File Utilities..." echo fi rm -f 1231235999 $$.touch # if mkdir _sh04829; then $echo 'x -' 'creating lock directory' else $echo 'failed to create lock directory' exit 1 fi # ============= hdr ============== if test -f 'hdr' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'hdr' '(file already exists)' else $echo 'x -' extracting 'hdr' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'hdr' && X X X X X ACE Tutorial 007 X
ACE Tutorial 007
X
Creating a thread-pool server
SHAR_EOF $shar_touch -am 0121152699 'hdr' && chmod 0664 'hdr' || $echo 'restore of' 'hdr' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'hdr:' 'MD5 check failed' 151b1b4bda96cc1e3ef55356e819ca42 hdr SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'hdr'`" test 576 -eq "$shar_count" || $echo 'hdr:' 'original size' '576,' 'current size' "$shar_count!" fi fi # ============= bodies ============== if test -f 'bodies' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'bodies' '(file already exists)' else $echo 'x -' extracting 'bodies' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'bodies' && PAGE=2 server.cpp client_acceptor.h client_acceptor.cpp client_handler.h client_handler.cpp thread_pool.h thread_pool.cpp X SHAR_EOF $shar_touch -am 0121152599 'bodies' && chmod 0664 'bodies' || $echo 'restore of' 'bodies' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'bodies:' 'MD5 check failed' 7675a97fa145886f534c43a8e1a0e6d1 bodies SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'bodies'`" test 123 -eq "$shar_count" || $echo 'bodies:' 'original size' '123,' 'current size' "$shar_count!" fi fi # ============= page01.pre ============== if test -f 'page01.pre' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'page01.pre' '(file already exists)' else $echo 'x -' extracting 'page01.pre' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'page01.pre' && X X X

In this tutorial, we're going to extend Tutorial 6 to add a third concurrency strategy:  thread-pool.  Like Tutorial 6 did to Tutorial 5, we're going to keep the existing strategies that we've already created and add this one in as a "bonus".  As you'll see, our basic objects will change but not by a whole lot.  To accomplish this, we'll introduce one new major object that helps to abstract the thread pool concept.

Some folks have noted that this tutorial is a bit confusing if you don't first know about ACE_Task. My advice is to give it all a good read a couple of times. If you're still having problems, take a look at the ACE_Task tests in $ACE_ROOT/tests or examples in $ACE_ROOT/examples.

Kirthika's Abstract:

* The additions to this tutorial make use of ACE_Message_Queue which is discussed in depth in Tutorial 10. Feel free to read ahead if you get lost in the message queue stuff. SHAR_EOF $shar_touch -am 0124153799 'page01.pre' && chmod 0664 'page01.pre' || $echo 'restore of' 'page01.pre' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'page01.pre:' 'MD5 check failed' b38f0bc755d9398afbf71fd8261fdb9b page01.pre SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page01.pre'`" test 3386 -eq "$shar_count" || $echo 'page01.pre:' 'original size' '3386,' 'current size' "$shar_count!" fi fi # ============= page02.pre ============== if test -f 'page02.pre' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'page02.pre' '(file already exists)' else $echo 'x -' extracting 'page02.pre' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'page02.pre' &&

As usualy, we start with server.cpp

SHAR_EOF $shar_touch -am 0121152699 'page02.pre' && chmod 0664 'page02.pre' || $echo 'restore of' 'page02.pre' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'page02.pre:' 'MD5 check failed' 37639524942e8882c94523e5189b22ff page02.pre SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page02.pre'`" test 87 -eq "$shar_count" || $echo 'page02.pre:' 'original size' '87,' 'current size' "$shar_count!" fi fi # ============= page03.pre ============== if test -f 'page03.pre' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'page03.pre' '(file already exists)' else $echo 'x -' extracting 'page03.pre' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'page03.pre' && X

Let's see what things we've had to add to client_acceptor.h. X

SHAR_EOF $shar_touch -am 0121152699 'page03.pre' && chmod 0664 'page03.pre' || $echo 'restore of' 'page03.pre' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'page03.pre:' 'MD5 check failed' 64592ded5ea700b4147face8ad77018f page03.pre SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page03.pre'`" test 120 -eq "$shar_count" || $echo 'page03.pre:' 'original size' '120,' 'current size' "$shar_count!" fi fi # ============= page04.pre ============== if test -f 'page04.pre' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'page04.pre' '(file already exists)' else $echo 'x -' extracting 'page04.pre' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'page04.pre' && X

Something new this time is client_acceptor.cpp.  I finally had enough code to move it out of the header. X

SHAR_EOF $shar_touch -am 0121152699 'page04.pre' && chmod 0664 'page04.pre' || $echo 'restore of' 'page04.pre' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'page04.pre:' 'MD5 check failed' d5640eb97c0a746761c946c4e93db2e8 page04.pre SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page04.pre'`" test 171 -eq "$shar_count" || $echo 'page04.pre:' 'original size' '171,' 'current size' "$shar_count!" fi fi # ============= page05.pre ============== if test -f 'page05.pre' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'page05.pre' '(file already exists)' else $echo 'x -' extracting 'page05.pre' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'page05.pre' && X

As you might expect, client_handler.h is next. X

SHAR_EOF $shar_touch -am 0121152699 'page05.pre' && chmod 0664 'page05.pre' || $echo 'restore of' 'page05.pre' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'page05.pre:' 'MD5 check failed' e882d389de5d95571737cfc58552153a page05.pre SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page05.pre'`" test 105 -eq "$shar_count" || $echo 'page05.pre:' 'original size' '105,' 'current size' "$shar_count!" fi fi # ============= page06.pre ============== if test -f 'page06.pre' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'page06.pre' '(file already exists)' else $echo 'x -' extracting 'page06.pre' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'page06.pre' && X

client_handler.cpp shows some of the changes due to the thread-pool.   Just a few though. X

SHAR_EOF $shar_touch -am 0121152699 'page06.pre' && chmod 0664 'page06.pre' || $echo 'restore of' 'page06.pre' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'page06.pre:' 'MD5 check failed' d884389625246dfcd8049f0fc648997d page06.pre SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page06.pre'`" test 160 -eq "$shar_count" || $echo 'page06.pre:' 'original size' '160,' 'current size' "$shar_count!" fi fi # ============= page07.pre ============== if test -f 'page07.pre' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'page07.pre' '(file already exists)' else $echo 'x -' extracting 'page07.pre' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'page07.pre' &&

Two new files this time.  The first is thread_pool.h where we declare our Thread_Pool object.  This is responsible for abstracting away the thread pool implementation details and allowing us to make so few changes to the rest of the code. X

X SHAR_EOF $shar_touch -am 0121152699 'page07.pre' && chmod 0664 'page07.pre' || $echo 'restore of' 'page07.pre' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'page07.pre:' 'MD5 check failed' e5bcf4bee3e756dda50ccb69c18ac3a1 page07.pre SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page07.pre'`" test 340 -eq "$shar_count" || $echo 'page07.pre:' 'original size' '340,' 'current size' "$shar_count!" fi fi # ============= page08.pre ============== if test -f 'page08.pre' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'page08.pre' '(file already exists)' else $echo 'x -' extracting 'page08.pre' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'page08.pre' && X

Finally, thread_pool.cpp where we have the Thread_Pool object implementation.

Remember back in Tutorial 6 when I X was talking about THR_NEW_LWP? Look closely and you'll X see it here. It's bitwise OR'd with THR_DETACHED just to X keep things interesting.

SHAR_EOF $shar_touch -am 0921222899 'page08.pre' && chmod 0664 'page08.pre' || $echo 'restore of' 'page08.pre' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'page08.pre:' 'MD5 check failed' 57908face42dc1aeef042433e6877213 page08.pre SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page08.pre'`" test 378 -eq "$shar_count" || $echo 'page08.pre:' 'original size' '378,' 'current size' "$shar_count!" fi fi # ============= page09.pre ============== if test -f 'page09.pre' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'page09.pre' '(file already exists)' else $echo 'x -' extracting 'page09.pre' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'page09.pre' && X

That's it for Tutorial 7.  As with Tutorial 6, we really didn't have to change much to introduce a new threading strategy.  Most of the work was in creating the Thread_Pool object itself.  Everything else was just minor housekeeping. X

There is a fourth common thread strategy:  thread-per-request.  It's not one of my favorites, so I wasn't planning to go into it.  If you want to contribute a tutorial on that topic though, I'll be glad to include it here. X

For reference, here's the file list again:

Danger, Warning!

Now that I've gone through all of this to create a thread pool server, I have to point out that this isn't exactly the best or safest way to do so. The biggest danger we face with this approach is the possibility of an event handler existing in the thread pool's message queue after it has been deleted. When the thread's svc() method attempts to invoke handle_input() you will get a nasty core dump.

The safest way to handle the situation is to use reference-counted pointers everywhere a Client_Handler pointer would be used. That's beyond the scope of the tutorial but I encourage you to give it a try. If you want to contribute that back as an enhanced Tutorial, I'll be glad to include it.

Another approach that should work quite well is to use the ACE_TP_Reactor instead of just ACE_Reactor. This takes a little more setup but results in a cleaner implementation. Again, I've not had time to develop a Tutorial on the TP_Reactor but would welcome any contributions. SHAR_EOF $shar_touch -am 0121152599 'page09.pre' && chmod 0664 'page09.pre' || $echo 'restore of' 'page09.pre' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'page09.pre:' 'MD5 check failed' 74f66ca26c13797dcf3f8c3132bfe580 page09.pre SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page09.pre'`" test 2071 -eq "$shar_count" || $echo 'page09.pre:' 'original size' '2071,' 'current size' "$shar_count!" fi fi # ============= page02.pst ============== if test -f 'page02.pst' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'page02.pst' '(file already exists)' else $echo 'x -' extracting 'page02.pst' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'page02.pst' &&

X

Hmmm... No change there.   Maybe I should leave out comments on the stuff I don't change.  Let's take a look at client_acceptor.h. X

SHAR_EOF $shar_touch -am 0121152899 'page02.pst' && chmod 0664 'page02.pst' || $echo 'restore of' 'page02.pst' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'page02.pst:' 'MD5 check failed' b6226123f4f50eeb16db2f7675aaa171 page02.pst SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page02.pst'`" test 173 -eq "$shar_count" || $echo 'page02.pst:' 'original size' '173,' 'current size' "$shar_count!" fi fi # ============= page03.pst ============== if test -f 'page03.pst' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'page03.pst' '(file already exists)' else $echo 'x -' extracting 'page03.pst' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'page03.pst' &&

X

Well, except for the new Thread_Pool member variable, most of the changes are informational. X SHAR_EOF $shar_touch -am 0121152699 'page03.pst' && chmod 0664 'page03.pst' || $echo 'restore of' 'page03.pst' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'page03.pst:' 'MD5 check failed' 88a4cc7d635a4a6b7645011be580808f page03.pst SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page03.pst'`" test 116 -eq "$shar_count" || $echo 'page03.pst:' 'original size' '116,' 'current size' "$shar_count!" fi fi # ============= page04.pst ============== if test -f 'page04.pst' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'page04.pst' '(file already exists)' else $echo 'x -' extracting 'page04.pst' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'page04.pst' &&

X

Nothing really surprising here.  Most of it just manages the Thread_Pool. X

SHAR_EOF $shar_touch -am 0121152699 'page04.pst' && chmod 0664 'page04.pst' || $echo 'restore of' 'page04.pst' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'page04.pst:' 'MD5 check failed' 57acbd600df965b4dc96ef0ad7ea9390 page04.pst SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page04.pst'`" test 106 -eq "$shar_count" || $echo 'page04.pst:' 'original size' '106,' 'current size' "$shar_count!" fi fi # ============= page05.pst ============== if test -f 'page05.pst' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'page05.pst' '(file already exists)' else $echo 'x -' extracting 'page05.pst' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'page05.pst' &&

X

Still, we're just not seeing a lot of changes due to introduction of the thread pool.  That's a good thing! You don't want to go turning your application upside down just because you changed thread models. X SHAR_EOF $shar_touch -am 0121152899 'page05.pst' && chmod 0664 'page05.pst' || $echo 'restore of' 'page05.pst' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'page05.pst:' 'MD5 check failed' 98cba63a4dffe925484ca86368c863bb page05.pst SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page05.pst'`" test 234 -eq "$shar_count" || $echo 'page05.pst:' 'original size' '234,' 'current size' "$shar_count!" fi fi # ============= page06.pst ============== if test -f 'page06.pst' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'page06.pst' '(file already exists)' else $echo 'x -' extracting 'page06.pst' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'page06.pst' &&

X

Ok, now we've gone and changed handle_input() so that it knows when to do work and when to enqueue itself.  Beyond that, we're still about the same. X SHAR_EOF $shar_touch -am 0121152699 'page06.pst' && chmod 0664 'page06.pst' || $echo 'restore of' 'page06.pst' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'page06.pst:' 'MD5 check failed' bfbc05b1679c397403e7106ef12065d9 page06.pst SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page06.pst'`" test 177 -eq "$shar_count" || $echo 'page06.pst:' 'original size' '177,' 'current size' "$shar_count!" fi fi # ============= page07.pst ============== if test -f 'page07.pst' && test "$first_param" != -c; then $echo 'x -' SKIPPING 'page07.pst' '(file already exists)' else $echo 'x -' extracting 'page07.pst' '(text)' sed 's/^X//' << 'SHAR_EOF' > 'page07.pst' &&

X

Well, that doesn't look too complex.  What about the implementation? X SHAR_EOF $shar_touch -am 0121152699 'page07.pst' && chmod 0664 'page07.pst' || $echo 'restore of' 'page07.pst' 'failed' if ( md5sum --help 2>&1 | grep 'sage: md5sum \[' ) >/dev/null 2>&1 \ && ( md5sum --version 2>&1 | grep -v 'textutils 1.12' ) >/dev/null; then md5sum -c << SHAR_EOF >/dev/null 2>&1 \ || $echo 'page07.pst:' 'MD5 check failed' c1a7fbfe20f12e5a8bdeccc7c8e1af1c page07.pst SHAR_EOF else shar_count="`LC_ALL= LC_CTYPE= LANG= wc -c < 'page07.pst'`" test 97 -eq "$shar_count" || $echo 'page07.pst:' 'original size' '97,' 'current size' "$shar_count!" fi fi rm -fr _sh04829 exit 0